Why does my iPhone say not enough storage after purchasing iCloud storage?

sasisai479 wrote:

I bought 200gb from icloud+ to backup my photos but it was showing restoring from icloud i don’t know what’s happening.

and my icloud is being fill and storage in phone is not reducing.

It's important to remember that data is synced to iCloud, so when you add things to, say Files, they will be added both on your phone and in your iCloud Storage space.

You can optimize your photo and video storage so that only a lower resolution version is kept on your phone until you need the higher resolution. See here:

Manage your photo storage - Apple Support

Some additional advice:

How to check the storage on your iPhone and iPad - Apple Support

If you get any iCloud+ plan that doesn’t increase iPhone storage because isn’t the same